70837821

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28254

約数の個数: 20

約数和(自身を含む): 109236864

約数和(自身を除く): 38399043

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 28211, 84633, 253899, 761697, 874541, 2285091, 2623623, 7870869, 23612607, 70837821]

約数ペア:

[(1, 70837821), (3, 23612607), (9, 7870869), (27, 2623623), (31, 2285091), (81, 874541), (93, 761697), (279, 253899), (837, 84633), (2511, 28211)]